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Dating site matching algorithm

There are close to 100 million single adults in the United States alone.Of those, 40 million use online dating services [ref]. claims responsibility for more than 9,000 marriages.Some sites, like match.com, allow users to specify how important each attribute is.Each matching attribute is assigned a different weight depending on how important it is to the user.For more information on online dating and related topics, check out the links on the next page.

It is a little puzzling that e Harmony would limit a customer’s choices.With a matchmaker, you're leaving the decision in the hands of another person. Matchmaking services can cost thousands of dollars, while typical dating-site fees average between and per month.Matchmaking services have an obvious appeal for those who want a more personal touch, but for the cost-conscious single, dating Web sites are the better choice.The WSJ spoke with e Harmony’s senior director of Research and Development, Gian Gonzaga: “So e Harmony tries to match potential compatible pairs but distribute them in a way that maximizes the number of people who will interact.In other words, e Harmony doesn’t match you with every single potential compatible person in its database, but rather the ideal number of right matches that will get you to talk to the greatest number of them, says Gonzaga.” Given the fact that a number online matches do not lead to dates and that some relationships will fizzle after a date or two, you wouldn’t think they’d offer more matches, not less. Do you want endless choices when it comes to the dating site matching algorithm to help find “what you really want?This differs from online dating sites mostly because the sites use a computer program to suggest potential matches, and that computer program doesn't adjust its thinking based on your feedback.Ultimately, it is up to the user to choose whom to contact or go out on a date with.On the other hand, there are those who think the online dating industry may have reached its saturation point.According to an article in the Christian Science Monitor, consumer spending on these sites declined slightly in the fourth quarter of 2004, indicating that growth for online dating sites may be stagnant.Specific facts and figures for online dating are hard to come by.For obvious reasons, each individual site tends to inflate membership numbers and success rates in its promotional materials.


  1. Online Dating The Science of Matchmaking. Some sites use very complex personality surveys and mathematical algorithms to match partners.

  2. The Scientific Flaws of Online Dating Sites. Ever since eHarmony.com, the first algorithm-based matching site, launched in 2000, sites such as Chemistry.com.

  3. The one thing about ‘matching’ algorithms that dating sites don’t want you to. Dating site algorithms are meaningless. Pamela Kirkland/The Washington Post

  4. First of all, let’s define the elephant in the room. What is an algorithm? An algorithm is a fancy name for a mathematical equation. Online dating sites use all kinds of algorithms.

  5. How online dating sites and. Dating Services Tinker with the Algorithms. The years of data collection have also made the sites’ matching and operating.

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